\documentclass{article}

\usepackage{CJKutf8}
\usepackage{enumitem}
\usepackage{calc}
\usepackage{verbatim}
\usepackage{graphicx}


\begin{document}
\begin{CJK*}{UTF8}{gkai}

\title{Akka in Action}
\author{Adamas \\{\small adamas@tom.com}}
\maketitle

\include{content}

\end{CJK*}
\end{document}
